ES2592323A1 - Lightning receiver for a wind turbine blade (Machine-translation by Google Translate, not legally binding) - Google Patents
Lightning receiver for a wind turbine blade (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2592323A1 ES2592323A1 ES201500381A ES201500381A ES2592323A1 ES 2592323 A1 ES2592323 A1 ES 2592323A1 ES 201500381 A ES201500381 A ES 201500381A ES 201500381 A ES201500381 A ES 201500381A ES 2592323 A1 ES2592323 A1 ES 2592323A1
- Authority
- ES
- Spain
- Prior art keywords
- self
- lightning
- wind turbine
- tapping screw
- threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010079 rubber tapping Methods 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/30—Arrangement of components
- F05B2250/36—Arrangement of components in inner-outer relationship, e.g. shaft-bearing arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Description
- El contacto del perno 14 y el bloque interno eléctricamente conductor 15 a The bolt contact 14 and the electrically conductive internal block 15 a
- través de una superficie plana o cónica es necesario para evitar un daño físico en through a flat or conical surface it is necessary to avoid physical damage in
- la conexión roscada 31 entre ellos debido a que en esta disposición la mayoría de the threaded connection 31 between them because in this arrangement most of
- las corrientes de rayo se transfieren a través de la superficie de contacto 16. De lo lightning currents are transferred through the contact surface 16. Of
- 5 5
- contrario, la unión atornillada puede sufrir un daño físico a causa del flujo de on the contrary, the bolted joint can suffer physical damage due to the flow of
- corrientes de rayo. lightning currents
- Como se muestra en las Figuras 3a, 3b y 3c una disposición receptora de As shown in Figures 3a, 3b and 3c a receiving arrangement of
- rayos 9 conocida situada en una región de la punta de la pala de aerogenerador 9-ray known located in a region of the tip of the wind turbine blade
- 10 comprende como elementos receptores unos pernos 14 en ambos lados de 10 comprises as receiving elements bolts 14 on both sides of
- 10 10
- la pala de aerogenerador 10 conectados a un bloque interno eléctricamente the wind turbine blade 10 connected to an electrically internal block
- conductor 15 que está unido a al menos una de las conchas 17, 19 Y conductor 15 that is attached to at least one of the shells 17, 19 and
- conectados al conductor de bajada 18. Las conexiones mecánicas y eléctricas connected to the down conductor 18. Mechanical and electrical connections
- entre los pernos 14 y el bloque interno eléctricamente conductor 15 son between the bolts 14 and the electrically conductive internal block 15 are
- similares a los descritos para la disposición receptora de rayos 8. similar to those described for the 8-ray receiving arrangement.
- 15 fifteen
- La transmisión de corrientes de rayo de los elementos receptores 14 al The transmission of lightning currents from the receiving elements 14 to the
- bloque interno eléctricamente conductor 15 debe garantizar una transmisión electrically conductive internal block 15 must guarantee a transmission
- correcta del rayo y permitir el ajuste de los elementos receptores 14 a la correct beam and allow adjustment of the receiving elements 14 to the
- superficie exterior de las conchas 17, 19 para cumplir con los requisitos outer surface of the shells 17, 19 to meet the requirements
- aerodinámico así como los de reducción de ruido. aerodynamic as well as noise reduction.
- 2 O 2 o
- Sin embargo, en las disposiciones receptoras de rayos 8, 9 puede existir However, in the receiving arrangements of rays 8, 9 there may be
- un espacio G entre las superficies exteriores de los elementos receptores 14 y a space G between the outer surfaces of the receiving elements 14 and
- las conchas 17, 19 (véanse las Figuras 1 c y 3C) debido a las variaciones de shells 17, 19 (see Figures 1 c and 3C) due to variations in
- grosor de las conchas como consecuencia de las tolerancias durante su proceso shell thickness as a result of tolerances during its process
- de fabricación causando una posición incorrecta del bloque interno of manufacturing causing an incorrect position of the internal block
- 25 25
- eléctricamente conductor 5 o una variación dimensional inesperada entre la electrically conductive 5 or an unexpected dimensional variation between the
- cabeza de un elemento receptor 14 y la concha circundante. head of a receiving element 14 and the surrounding shell.
- Esta invención está dirigida a la solución de este inconveniente. This invention is directed to the solution of this drawback.
- RESUMEN DE LA INVENCiÓN SUMMARY OF THE INVENTION
- 30 30
La invención proporciona una disposición receptora de rayos para una pala de aerogenerador que comprende al menos un tornillo de auto-roscado que The invention provides a lightning receiving arrangement for a wind turbine blade comprising at least one self-tapping screw that
- tiene una cabeza y un vástago roscado como elemento receptor metálico It has a head and a threaded rod as a metallic receiving element
- externo para recibir rayos en un lado de la pala de aerogenerador y un elemento external to receive lightning on one side of the wind turbine blade and an element
- interno que comprende un bloque eléctricamente conductor configurado con al internal comprising an electrically conductive block configured with at
- menos un orificio no roscado para cooperar con dicho vástago roscado y minus an unthreaded hole to cooperate with said threaded rod and
- 5 5
- conectado a un conductor de bajada de una disposición de conexión a tierra. El connected to a down conductor of a grounding arrangement. He
- material del tornillo de auto-roscado tiene mayor dureza y menor ductilidad que Self-tapping screw material has higher hardness and lower ductility than
- el material del bloque eléctricamente conductor y el vástago roscado y el orificio the electrically conductive block material and the threaded rod and the hole
- no roscado están dimensionados de modo que la conexión roscada entre ellos non-threaded are sized so that the threaded connection between them
- pueda transmitir todas las corrientes de rayo recibidas por el tornillo de autocan transmit all lightning currents received by the car screw
- 10 10
- roscado. El elemento interno está unido a al menos una concha de la pala de screwed. The internal element is attached to at least one shell of the blade
- aerogenerador con una fuerza adhesiva capaz de resistir el par aplicado al wind turbine with an adhesive force capable of withstanding the torque applied to the
- tornillo de auto-roscado para roscarlo en el orificio no roscado. self-tapping screw to thread it into the unthreaded hole.
- Ventajosamente, el elemento interno comprende además un Advantageously, the internal element further comprises a
- recubrimiento aislante para el bloque eléctricamente conductor para prevenir su* insulating coating for the electrically conductive block to prevent its *
- 15 fifteen
- corrosión y evitarle un impacto de rayo. corrosion and avoid a lightning strike.
- Ventajosamente, el vástago roscado y el orificio no roscado también Advantageously, the threaded rod and the non-threaded hole also
- están dimensionados de modo que su conexión roscada puede tener una are sized so that their threaded connection can have a
- longitud que asegure una alineación correcta de la cabeza del tornillo de autolength that ensures proper alignment of the auto screw head
- roscado con la superficie exterior de la concha de la pala de aerogenerador para threaded with the outer surface of the wind turbine blade shell to
- 2 O 2 o
- finalidades de continuidad aerodinámica. purposes of aerodynamic continuity.
- Ventajosamente, el vástago roscado y el orificio no roscado tienen una Advantageously, the threaded rod and the non-threaded hole have a
- forma cilíndrica y el ratio entre sus respectivos diámetros D1, D2 está cylindrical shape and the ratio between their respective diameters D1, D2 is
- comprendido entre 1.03-1.60. between 1.03-1.60.
- Ventajosamente, el tornillo de auto-roscado está hecho de acero, acero Advantageously, the self-tapping screw is made of steel, steel
- 25 25
- inoxidable o tungsteno y el bloque eléctricamente conductor está hecho de stainless or tungsten and the electrically conductive block is made of
- aluminio, cobre o latón. aluminum, copper or brass.
- En una realización para una región de la punta de la pala de In one embodiment for a region of the blade tip of
- aerogenerador, la disposición receptora de rayos también comprende un tornillo wind turbine, the lightning receiver arrangement also comprises a screw
- de auto-roscado adicional, como elemento metálico receptor para recibir rayos additional self-tapping, as a metallic receiving element to receive lightning
- 3O 3O
- en el lado opuesto de la pala de aerogenerador, que tiene una cabeza y un on the opposite side of the wind turbine blade, which has a head and a
- vástago roscado y el bloque eléctricamente conductor también está configurado threaded rod and electrically conductive block is also configured
con un orificio no roscado adicional para cooperar con el vástago roscado del Las Figuras 5 y 6 son vistas similares a las Figuras 2c y 4c incluyendo un Dada la posibilidad de variaciones del espesor de las conchas 17 el with an additional non-threaded hole to cooperate with the threaded rod of Figures 5 and 6 are views similar to Figures 2c and 4c including a given the possibility of variations of the thickness of the shells 17 the
- tornillo de auto-roscado adicional. additional self-tapping screw.
- Otras características y ventajas de la presente invención se desprenderán Other features and advantages of the present invention will be apparent.
- de la descripción detallada que sigue, a continuación, de una realización of the detailed description that follows, below, of an embodiment
- 5 5
- ilustrativa de su objeto, en relación con las figuras que se acompañan. illustrative of its object, in relation to the accompanying figures.
- BREVE DESCRIPCiÓN DE LAS FIGURAS BRIEF DESCRIPTION OF THE FIGURES
- La Figura 1 a es una vista esquemática en planta de una pala de Figure 1 a is a schematic plan view of a shovel of
- 10 10
- aerogenerador con una disposición receptora de rayos conocida en la técnica wind turbine with a lightning receiver arrangement known in the art
- situada lejos de la punta de la pala y las Figuras 1 b Y 1 c son vistas en sección located far from the tip of the blade and Figures 1 b and 1 c are sectional views
- de dicha disposición receptora de rayo que tienen, respectivamente, el elemento of said lightning receiving arrangement that respectively have the element
- receptor alineado y desalineado con respecto a la concha circundante. receiver aligned and misaligned with respect to the surrounding shell.
- La Figura 2a es una vista esquemática en planta de una pala de Figure 2a is a schematic plan view of a shovel of
- 15 fifteen
- aerogenerador con una disposición receptora de rayos según la invención wind turbine with a lightning receiver arrangement according to the invention
- situada lejos de la punta de la hoja, la Figura 2b es una vista en sección de los located far from the tip of the blade, Figure 2b is a sectional view of the
- componentes de la disposición receptora de rayos y la Figura 2c es una vista en components of the lightning receiver arrangement and Figure 2c is a view in
- sección de dicha disposición receptora de rayos montada en la pala de section of said lightning receiver arrangement mounted on the blade of
- aerogenerador con el elemento receptor debidamente alineado con la concha wind turbine with the receiving element properly aligned with the shell
- 2 O 2 o
- circundante. surrounding.
- La Figura 3a es una vista esquemática en planta de una pala de Figure 3a is a schematic plan view of a shovel of
- aerogenerador con una disposición receptora de rayos conocida en la técnica wind turbine with a lightning receiver arrangement known in the art
- situada en la región de la punta de la pala y las Figuras 3b y 3c son vistas en located in the region of the tip of the blade and Figures 3b and 3c are seen in
- sección de dicha disposición receptora de rayos que tienen, respectivamente, el section of said lightning receiving arrangement that respectively have the
- 25 25
- elemento receptor alineado y desalineado con respecto a la concha circundante. receiver element aligned and misaligned with respect to the surrounding shell.
- La Figura 4a es una vista esquemática en planta de una pala de Figure 4a is a schematic plan view of a shovel of
- aerogenerador con una disposición receptora de rayos según la invención wind turbine with a lightning receiver arrangement according to the invention
- situada en la región de la punta de la pala, la Figura 4b es una vista located in the region of the blade tip, Figure 4b is a view
- esquemática en sección de los componentes de la disposición de un rayo y la sectional schematic of the components of the lightning arrangement and the
- 3 O 3 o
- Figura 4c es una vista en sección de dicha disposición receptora de rayo Figure 4c is a sectional view of said lightning receiving arrangement
- montada en la pala de aerogenerador con los elementos receptores mounted on the wind turbine blade with the receiving elements
- debidamente alineados con las conchas circundantes. properly aligned with the surrounding shells.
- recubrimiento aislante para el bloque conductor de la electricidad. insulating coating for the conductor of electricity.
- DESCRIPCiÓN DETALLADA DE LA INVENCiÓN Detailed description of the invention
- 5 5
- Una disposición receptora de rayos 11 (ver Figs. 2a, 2b, 2c) situada lejos A lightning receiving arrangement 11 (see Figs. 2a, 2b, 2c) located far away
- de la punta de una pala de aerogenerador 10 comprende un tornillo de autoof the tip of a wind turbine blade 10 comprises a car screw
- roscado 21 como elemento receptor y, como elemento interno, un bloque threaded 21 as a receiving element and, as an internal element, a block
- eléctricamente conductor 20 configurado con un orificio no roscado 41 para electrically conductive 20 configured with an unthreaded hole 41 for
- 10 10
- cooperar con el tornillo de auto-roscado 21 de modo que su conexión roscada cooperate with self-tapping screw 21 so that its threaded connection
- permita transmitir corrientes de rayo entre ambos componentes sin la necesidad allow lightning currents to be transmitted between both components without the need
- de una "superficie de contacto plana o cónica", como en la técnica anterior. of a "flat or conical contact surface", as in the prior art.
- El tornillo de auto-roscado 21 tiene un vástago roscado 25 de diámetro The self-tapping screw 21 has a threaded rod 25 in diameter
- 01, una punta de perforación en un extremo del vástago roscado 25, y una 01, a piercing tip at one end of the threaded rod 25, and a
- 15 fifteen
- cabeza 23 en el extremo opuesto del vástago roscado 25. La cabeza 23 está head 23 at the opposite end of the threaded rod 25. Head 23 is
- provista de medios de transmisión de rotación para una herramienta de provided with rotation transmission means for a tool
- accionamiento del tornillo tal como un destornillador o una llave. screw drive such as a screwdriver or wrench.
- El bloque eléctricamente conductor 20 está configurado con un orificio no The electrically conductive block 20 is configured with a hole not
- roscado 41 de diámetro 02 ligeramente menor que el diámetro 01 del tornillo de threaded 41 of diameter 02 slightly smaller than the diameter 01 of the screw
- 2 O 2 o
- auto-roscado 21 para permitir una fuerte conexión roscada entre ellos aplicando self-threaded 21 to allow a strong threaded connection between them by applying
- un par a la cabeza 23 del tornillo de auto-roscado 21 con una herramienta de a pair to the head 23 of the self-tapping screw 21 with a tool
- accionamiento del tornillo. En particular, la relación entre 01 y 02 deberá estar screw drive. In particular, the relationship between 01 and 02 must be
- comprendida entre 1.03-1.60. Esta disposición requiere que el bloque between 1.03-1.60. This provision requires that the block
- eléctricamente conductor 20 esté unido a la concha 17 con una fuerza adhesiva electrically conductive 20 is attached to the shell 17 with an adhesive force
- 25 25
- capaz de soportar dicho par. able to withstand that pair.
- El tornillo de auto-roscado 21 debe estar hecho de un material con una The self-tapping screw 21 must be made of a material with a
- dureza más alta y una ductilidad más baja respecto al material del bloque higher hardness and lower ductility with respect to block material
- eléctricamente conductor 20. El acero, el acero inoxidable o el tungsteno son electrically conductive 20. Steel, stainless steel or tungsten are
- materiales típicos para el tornillo de auto-roscado 21 mientras que los materiales Typical materials for self-tapping screw 21 while materials
- 30 30
- típicos para el bloque eléctricamente conductor 20 son el aluminio, el cobre o el Typical for the electrically conductive block 20 are aluminum, copper or
- latón. brass.
- vástago roscado 25 del tornillo de auto-roscado 21 y el orificio no roscado 41 del threaded rod 25 of self-tapping screw 21 and unthreaded hole 41 of
- bloque eléctricamente conductor 20 deberán estar dimensionados de modo que electrically conductive block 20 must be sized so that
- su conexión roscada debe tener, para todo el posible rango de variación de its threaded connection must have, for the entire possible range of variation of
- 5 5
- espesor, una longitud L (véase la Fig. 2c) que asegure, por un lado, la robusta thickness, a length L (see Fig. 2c) that ensures, on the one hand, the robust
- conexión eléctrica que es necesaria para la transmisión de todas las corrientes electrical connection that is necessary for the transmission of all currents
- de rayo a través de dicha conexión roscada y, por otro lado, la alineación de la lightning through said threaded connection and, on the other hand, the alignment of the
- cabeza 23 del tornillo de auto-roscado 21 con la superficie exterior de la concha head 23 of the self-tapping screw 21 with the outer surface of the shell
- 17 de la pala de aerogenerador 10 para fines de continuidad aerodinámica. 17 of the wind turbine blade 10 for aerodynamic continuity purposes.
- 10 10
- Una disposición receptora de rayo 12 (ver Figs. 4a, 4b, 4c) situada en la A lightning 12 receiving arrangement (see Figs. 4a, 4b, 4c) located in the
- región de punta de una pala de aerogenerador 10 comprende un tornillo de tip region of a wind turbine blade 10 comprises a screw of
- auto-roscado adicional 22, que tiene un vástago roscado 26 de diámetro 01, una additional self-tapping 22, which has a threaded rod 26 of diameter 01, a
- punta de perforación dispuesta en un extremo del vástago roscado 26, y una drill tip disposed at one end of threaded rod 26, and a
- cabeza 24 dispuesta en el extremo opuesto del vástago roscado 26, como head 24 disposed at the opposite end of the threaded rod 26, as
- 15 fifteen
- elemento receptor en el otro lado de la pala de aerogenerador 10 Y el bloque receiver element on the other side of the wind turbine blade 10 and the block
- eléctricamente conductor 20 está configurado con un orificio no roscado electrically conductive 20 is configured with an unthreaded hole
- adicional 42 para cooperar con el tornillo de auto-roscado adicional 22 de modo additional 42 to cooperate with the additional self-tapping screw 22 so
- que su conexión roscada permita transmitir corriente del rayo entre ambos that its threaded connection allows lightning current to be transmitted between the two
- componentes sin necesidad de una "superficie de contacto plana o cónica", components without the need for a "flat or conical contact surface",
- 2 O 2 o
- como en la técnica anterior. as in the prior art.
- Las características de la conexión roscada entre el tornillo de autoThe characteristics of the threaded connection between the car screw
- roscado adicional 22 y el orificio no roscado adicional 42 son similares a la del additional thread 22 and additional non-threaded hole 42 are similar to that of the
- tornillo de auto-roscado 21 y el orificio no roscado 41. self-tapping screw 21 and unthreaded hole 41.
- En las realizaciones mostradas en las Figuras 5 y 6, el bloque interno de In the embodiments shown in Figures 5 and 6, the internal block of
- 25 25
- las disposiciones receptoras de rayos 11, 12 comprende también un the lightning receiving arrangements 11, 12 also comprises a
- revestimiento aislante 27 para el bloque eléctricamente conductor 20. El insulating coating 27 for the electrically conductive block 20. The
- recubrimiento aislante 27 impide la corrosión del bloque eléctricamente insulating coating 27 prevents corrosion of the block electrically
- conductor 20 y que reciba los rayos. driver 20 and receive the rays.
- Aunque la presente invención ha sido descrita en conexión con varias Although the present invention has been described in connection with several
- 3 O 3 o
- realizaciones, se apreciará a partir de la especificación de que en ella se pueden embodiments, will be appreciated from the specification that it can be
- hacer varias combinaciones de elementos, variaciones o mejoras, y están dentro make various combinations of elements, variations or improvements, and are within
- del alcance de la invención como se define por las reivindicaciones adjuntas. of the scope of the invention as defined by the appended claims.
Claims (13)
- 1. Una disposición receptora de rayos (11, 12) para una pala de 1. A lightning receiver arrangement (11, 12) for a shovel of
- aerogenerador (10) que comprende al menos un elemento receptor metálico wind turbine (10) comprising at least one metallic receiving element
- 5 5
- externo para recibir un rayo en un lado de la pala de aerogenerador (10) y un external to receive lightning on one side of the wind turbine blade (10) and a
- elemento interno unido al menos a la cara interna de una concha (17) de la pala internal element attached at least to the inner face of a shell (17) of the blade
- de aerogenerador (10) y conectado a un conductor de bajada (18) de un of wind turbine (10) and connected to a down conductor (18) of a
- dispositivo de conexión a tierra de la pala de aerogenerador (10), caracterizado grounding device of the wind turbine blade (10), characterized
- porque: why:
- 10 10
- -el elemento receptor metálico externo es un tornillo de auto-roscado (21) -the external metal receiving element is a self-tapping screw (21)
- que tiene una cabeza (23) y un vástago roscado (25); which has a head (23) and a threaded rod (25);
- -el elemento interior.comprende un bloque eléctricamente conductor (20) -the inner element comprises an electrically conductive block (20)
- configurado con al menos un orificio no roscado (41) para cooperar con dicho configured with at least one unthreaded hole (41) to cooperate with said
- vástago roscado (25); threaded rod (25);
- 15 fifteen
- -el material del tornillo de auto-roscado (21) tiene mayor dureza y menor -the self-tapping screw material (21) has greater hardness and less
- ductilidad que el material del bloque eléctricamente conductor (20) y el vástago ductility than the electrically conductive block material (20) and the stem
- roscado (25) y el orificio no roscado (41) están dimensionados de manera que la threaded (25) and the unthreaded hole (41) are sized so that the
- conexión roscada entre ellos pueda transmitir todas las corrientes de rayo threaded connection between them can transmit all lightning currents
- recibidas por el tornillo de auto-roscado (21); received by the self-tapping screw (21);
- 2 O 2 o
- -el elemento interior está unido a la carcasa (17) con una fuerza adhesiva -the inner element is attached to the housing (17) with an adhesive force
- capaz de resistir el par de torsión aplicado a la cabeza (23) del tornillo de autoable to withstand the torque applied to the head (23) of the car screw
- roscado (21) para roscarlo en el orificio no roscado (41). threaded (21) to thread it into the unthreaded hole (41).
- 2. Una disposición receptora de rayos (11, 12) según la reivindicación 1, 2. A lightning receiver arrangement (11, 12) according to claim 1,
- 25 25
- en la que el elemento interno comprende además un recubrimiento aislante (27) wherein the internal element further comprises an insulating coating (27)
- para el bloque eléctricamente conductor (20). for the electrically conductive block (20).
- 3. Una disposición receptora de rayos (11, 12) según cualquiera de las 3. A lightning receptor arrangement (11, 12) according to any of the
- reivindicaciones 1-2, en la que el vástago roscado (25) y el orificio no roscado claims 1-2, wherein the threaded rod (25) and the non-threaded hole
- 3 O 3 o
- (41) también están dimensionados para que su conexión roscada puede tener (41) are also sized so that their threaded connection can have
- una longitud que asegure una correcta alineación de la cabeza (23) del tornillo a length that ensures correct alignment of the screw head (23)
- aerogenerador (10) para fines de continuidad aerodinámica. wind turbine (10) for aerodynamic continuity purposes.
- 4. Una disposición receptora de rayos (11, 12) según cualquiera de las 4. A lightning receptor arrangement (11, 12) according to any of the
- 5 5
- reivindicaciones 1-3, en la que el vástago roscado (25) y el orificio no roscado claims 1-3, wherein the threaded rod (25) and the non-threaded hole
- (41) tienen una forma cilíndrica estando comprendida la relación entre sus (41) have a cylindrical shape with the relationship between their
- respectivos diámetros D1, D2 entre 1.03-1.60. respective diameters D1, D2 between 1.03-1.60.
- 5. Una disposición receptora de rayos (11, 12) según cualquiera de las 5. A lightning receptor arrangement (11, 12) according to any of the
- 10 10
- reivindicaciones 1-4, en la que: claims 1-4, wherein:
- -el tornillo de auto-roscado (21) está hecho de acero, acero inoxidable o -the self-tapping screw (21) is made of steel, stainless steel or
- tungsteno; tungsten;
- -el bloque eléctricamente conductor (20) está hecho de aluminio, cobre o -the electrically conductive block (20) is made of aluminum, copper or
- latón. brass.
- 15 fifteen
- 6. Una disposición receptora de rayos (12) según cualquiera de las 6. A lightning receiver arrangement (12) according to any of the
- reivindicaciones 1-5, que comprende además un tornillo de auto-roscado claims 1-5, further comprising a self-tapping screw
- adicional (22) como elemento metálico receptor para recibir un impacto de rayo additional (22) as a metallic receiver element to receive a lightning strike
- en el lado opuesto de la pala de aerogenerador (10) que tiene una cabeza (24) y on the opposite side of the wind turbine blade (10) that has a head (24) and
- 2 O 2 o
- un vástago roscado (26) en la que: a threaded rod (26) in which:
- -el bloque eléctricamente conductor (20) también está configurado con -the electrically conductive block (20) is also configured with
- un orificio no roscado adicional (42) para cooperar con el vástago roscado (26) an additional non-threaded hole (42) to cooperate with the threaded rod (26)
- del tornillo de auto-roscado adicional (22); of the additional self-tapping screw (22);
- -el material del tornillo de auto-roscado adicional (22) tiene mayor dureza -the additional self-tapping screw material (22) has greater hardness
- 25 25
- Y menor ductilidad el material del bloque eléctricamente conductor (20) y el And less ductility the material of the electrically conductive block (20) and the
- vástago roscado (26) del tornillo de auto-roscado adicional (22) y el orificio no threaded rod (26) of the additional self-tapping screw (22) and the hole not
- roscado adicional (42) están dimensionados de manera que la conexión roscada Additional threaded (42) are sized so that the threaded connection
- entre ellos pueda transmitir todas las corrientes de rayo recibida por el tornillo de between them can transmit all the lightning currents received by the screw
- auto-roscado adicional (22). additional self-tapping (22).
- 30 30
- 7. Una disposición receptora de rayos (12) según la reivindicación 6, en la 7. A lightning receiver arrangement (12) according to claim 6, in the
- que el vástago roscado (26) del tornillo de auto-roscado adicional (22) y el that the threaded rod (26) of the additional self-tapping screw (22) and the
- ---
- GG
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201500381A ES2592323B1 (en) | 2015-05-26 | 2015-05-26 | Lightning receiver for a wind turbine blade |
US15/149,490 US10718315B2 (en) | 2015-05-26 | 2016-05-09 | Lighting receptor for a wind turbine blade |
DK16001112.8T DK3098437T3 (en) | 2015-05-26 | 2016-05-17 | Lightning receptor for a wind turbine blade |
EP16001112.8A EP3098437B1 (en) | 2015-05-26 | 2016-05-17 | Lightning receptor for a wind turbine blade |
ES16001112T ES2744265T3 (en) | 2015-05-26 | 2016-05-17 | Lightning receiver for a wind turbine blade |
BR102016011969-3A BR102016011969B1 (en) | 2015-05-26 | 2016-05-25 | RAY RECEIVING ARRANGEMENT FOR A WIND GENERATOR BLADE |
CN201610354184.0A CN106194611B (en) | 2015-05-26 | 2016-05-25 | Lightning receptor for a wind turbine blade |
MX2016006801A MX2016006801A (en) | 2015-05-26 | 2016-05-25 | Lightning receptor for a wind turbine blade. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201500381A ES2592323B1 (en) | 2015-05-26 | 2015-05-26 | Lightning receiver for a wind turbine blade |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2592323A1 true ES2592323A1 (en) | 2016-11-29 |
ES2592323B1 ES2592323B1 (en) | 2017-09-18 |
Family
ID=56014755
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES201500381A Expired - Fee Related ES2592323B1 (en) | 2015-05-26 | 2015-05-26 | Lightning receiver for a wind turbine blade |
ES16001112T Active ES2744265T3 (en) | 2015-05-26 | 2016-05-17 | Lightning receiver for a wind turbine blade |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES16001112T Active ES2744265T3 (en) | 2015-05-26 | 2016-05-17 | Lightning receiver for a wind turbine blade |
Country Status (7)
Country | Link |
---|---|
US (1) | US10718315B2 (en) |
EP (1) | EP3098437B1 (en) |
CN (1) | CN106194611B (en) |
BR (1) | BR102016011969B1 (en) |
DK (1) | DK3098437T3 (en) |
ES (2) | ES2592323B1 (en) |
MX (1) | MX2016006801A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3673174B1 (en) * | 2017-08-24 | 2021-10-06 | Vestas Wind Systems A/S | Wind turbine rotor blade lightning receptor arrangement |
EP3682108A1 (en) * | 2017-09-12 | 2020-07-22 | Vestas Wind Systems A/S | Rotor blade for a wind turbine incorporating a lightning protection system |
CN110454335B (en) * | 2019-09-18 | 2024-05-07 | 吉林重通成飞新材料股份公司 | Lightning protection system for wind power blade |
Citations (3)
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US4630168A (en) * | 1985-12-16 | 1986-12-16 | The Boeing Company | Lightning protection fastener |
US20070081900A1 (en) * | 2005-10-06 | 2007-04-12 | Nordex Energy Gmbh | Method for the production of a leadthrough in a fibre compound material, as well as a rotor blade for a wind energy facility with a leadthrough |
WO2014124642A1 (en) * | 2013-02-13 | 2014-08-21 | Vestas Wind Systems A/S | Wind turbine blades |
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DK174232B1 (en) | 2000-12-13 | 2002-10-07 | Lm Glasfiber As | Combined lightning receptor and drainage channel in wind turbine wings |
DK176298B1 (en) | 2003-09-15 | 2007-06-18 | Lm Glasfiber As | Method of lightning protection of a blade for a wind power plant, a lightning protection wing and a wind power plant with such a blade |
JP4969098B2 (en) | 2005-12-21 | 2012-07-04 | 三菱重工業株式会社 | Windmill lightning protection device, method of assembling the lightning protection device, windmill blade including the lightning protection device, and windmill including the windmill blade |
JP5242920B2 (en) | 2007-01-23 | 2013-07-24 | 株式会社日立製作所 | Split blade for windmill |
WO2008101506A2 (en) | 2007-02-19 | 2008-08-28 | Vestas Wind Systems A/S | Wind turbine rotor blade and method of manufacturing such rotor blade |
US8182227B2 (en) | 2008-02-01 | 2012-05-22 | General Electric Company | Wind turbine blade with lightning receptor |
DK2110552T4 (en) | 2008-04-15 | 2019-04-08 | Siemens Ag | Wind turbine blade with an integrated lightning arrester and method for manufacturing it |
ATE535711T1 (en) * | 2008-07-02 | 2011-12-15 | Siemens Ag | WIND TURBINE BLADE WITH LIGHTNING RECEPTOR AND METHOD FOR PROTECTING THE SURFACE OF A WIND TURBINE BLADE |
DE102010025546A1 (en) * | 2010-06-29 | 2011-12-29 | Suzlon Energy Gmbh | Nacelle paneling |
EP2596239A4 (en) * | 2010-07-23 | 2014-06-25 | Erico Int Corp | Receptor for wind turbine blade lightning protection |
CN201805143U (en) | 2010-09-26 | 2011-04-20 | 国电联合动力技术有限公司 | Lightning protection system for wind power generator blades |
EP2722522A1 (en) | 2012-10-22 | 2014-04-23 | Siemens Aktiengesellschaft | Lightning receptor arrangement for a wind turbine rotor blade |
NL2010553C2 (en) * | 2013-04-02 | 2014-10-06 | Composite Technology Ct B V | A WINDMILL LEAF, A WINDMILL INCLUDING A SUCH SHEET, A METHOD FOR MANUFACTURING A WINDMILL SHEET, AND A METHOD FOR REPAIRING A SHEET MANUFACTURED BY SUCH A METHOD. |
CN203232964U (en) | 2013-04-28 | 2013-10-09 | 郑宇辉 | Self-tapping temporary grounding body |
CN203339639U (en) | 2013-05-08 | 2013-12-11 | 中国一冶集团有限公司 | Lightning arrester preventing water seepage and leakage of steel plate tile roof |
GB2519331A (en) | 2013-10-17 | 2015-04-22 | Vestas Wind Sys As | Improvements relating to lightning protection systems for wind turbine blades |
-
2015
- 2015-05-26 ES ES201500381A patent/ES2592323B1/en not_active Expired - Fee Related
-
2016
- 2016-05-09 US US15/149,490 patent/US10718315B2/en active Active
- 2016-05-17 EP EP16001112.8A patent/EP3098437B1/en active Active
- 2016-05-17 ES ES16001112T patent/ES2744265T3/en active Active
- 2016-05-17 DK DK16001112.8T patent/DK3098437T3/en active
- 2016-05-25 BR BR102016011969-3A patent/BR102016011969B1/en active IP Right Grant
- 2016-05-25 MX MX2016006801A patent/MX2016006801A/en active IP Right Grant
- 2016-05-25 CN CN201610354184.0A patent/CN106194611B/en active Active
Patent Citations (3)
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US4630168A (en) * | 1985-12-16 | 1986-12-16 | The Boeing Company | Lightning protection fastener |
US20070081900A1 (en) * | 2005-10-06 | 2007-04-12 | Nordex Energy Gmbh | Method for the production of a leadthrough in a fibre compound material, as well as a rotor blade for a wind energy facility with a leadthrough |
WO2014124642A1 (en) * | 2013-02-13 | 2014-08-21 | Vestas Wind Systems A/S | Wind turbine blades |
Also Published As
Publication number | Publication date |
---|---|
ES2744265T3 (en) | 2020-02-24 |
DK3098437T3 (en) | 2019-09-16 |
CN106194611B (en) | 2020-02-28 |
US20160348652A1 (en) | 2016-12-01 |
EP3098437A1 (en) | 2016-11-30 |
MX2016006801A (en) | 2016-11-25 |
CN106194611A (en) | 2016-12-07 |
BR102016011969A2 (en) | 2016-11-29 |
BR102016011969B1 (en) | 2022-12-06 |
US10718315B2 (en) | 2020-07-21 |
ES2592323B1 (en) | 2017-09-18 |
EP3098437B1 (en) | 2019-06-26 |
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